The long hex nut is made of galvanized carbon steel. The surface is anti-oxidation, anti-wear, anti-rust, anti-corrosion, high strength and long life. The long hex nut adopts standard hexagonal design, and the force is uniform.Dending the rotation process, it is not easy to slide and lock. Long hex nuts can be used with bolts, studs or metal screws to hold two pieces . They are widely used in home and office equipment, communication equipment and other machines. The long thread of the hex nut is deep and transparent, L is well connected, the surface is Smooth, no burrs and its use is safe. We strive to provide you with a product of the highest quality and the best customer experience. If you are not fully satisfied, do not hesitate to contact us at any time. Size: M6 * 30 Specification: Condition: 100% brand new Product material: Carbon steel Surface treatment: Galvanized Quantity: 10pcs Type: M6 x 30 (optional) Package list: 10 x standoff